Whatman
GD/XP Syringe Filter, PES, 0.45um (150 pcs) SKU: 6995-2504

Polyethersulfone (PES) Syringe Filters, 0.45µm, 25mm - 6995-2504

Streamline your sample preparation workflows with the Polyethersulfone (PES) Whatman GD/XP Syringe Filter, PES filtrationmedium, 0.45µm, 150/pk, constructed to handle high particulate loads while maintaining rapid throughput. At the core of the device is a uniform Polyethersulfone (PES) matrix, delivering high dirt-loading capacity and reliable exclusion of interfering particles. To guarantee structural reliability, each unit undergoes strict quality control to ensure the housing and membrane seal withstand standard operating pressures without leakage. Consequently, by reducing the risk of downstream contamination, these filters serve as a critical safeguard for the integrity of your experimental results.

Key Polyethersulfone (PES) Membrane Characteristics

• Polyethersulfone (PES) membrane with hydrophilic affinity
• Low Protein Binding characteristics
• Broad compatibility with aqueous solutions, alcohols, and mild bases
• Ideal for biological samples and culture media
• Verified 0.45 retention rating for clarification

Key Housing Characteristics

• High-purity Polypropylene encapsulation housing
• Luer-Lok/ Luer Slip for secure fitting
• 4.6cm² effective filtration area
• 1400 µL holdup volume to minimize sample loss

When you integrate these filters into your daily standard operating procedures, you are choosing a workflow that prioritizes efficiency without compromising results. You invest significant resources into your samples; safeguarding them with a proven filtration barrier is a cost-effective insurance policy for your lab. Secure your research outcomes by partnering with a filtration solution that understands your need for speed, accuracy, and reproducibility.

For more information about chemical and material compatibility, please review our Chemical Compatibility Chart.

Bubble Point (psi)

2.3 bar (33 psi)

Burst Pressure (psi)

75psi

Connection Type

Luer-Lok/ Luer Slip

Construction

Polypropylene

Diameter

25mm

Filtration Area

4.6cm²

Holdup Volume

1.4ml

Material

Polyethersulfone (PES)

Maximum Operating Pressure

75psi

Maximum Operating Temperature (°C)

121°C

Pack Count

150

Pore Size (µm)

0.45

Prefilter (Yes/No)

Yes

Prefilter Material

Polypropylene (10µm + 5µm)

Sterility

Nonsterile

Sterilization

Autoclavable 121°C

Volume Throughput (ml)

Up to 100ml

Wetability

Hydrophilic

• Biological Sample Prep - The low protein-binding nature of PES ensures maximum recovery of critical enzymes and proteins
• Ion Chromatography - The extremely low extractable profile of PES provides the clean baselines needed for sensitive IC analysis
• Culture Media Filtration - PES offers the fastest flow rates for viscous culture media while maintaining absolute sterility
• Life Science Applications - Ideal for filtering serum and plasma, where minimizing nonspecific binding is crucial for assay accuracy
• Research & Development - Supports protocols that need to remove particulates, providing the ability to protect analytical instruments
• General Laboratory Filtration - Increases workflow efficiency by protecting analytical instruments without sacrificing flow rates